Rumble Tuff Breeze Electric Breast Pump.Rumble Tuff Breeze Electric Breast Pump is a lightweight double electric closed system breast pump. Equipped with Peak Enhanced Waveform, 3 phases expression, rechargeable battery, free manual handle kit to convert one of the collection kit into a manual pump. Includes: 2 flange sizes, 25mm hard flange and 23mm silicone flange. Has 15 optional flange sizes available. 2000+ hours use life, 2 years warranty.